package day_1;
public class demo7_7 {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		int sum = 0;
		for (int i = 1; i <= 100; i++) {
			if (i % 2 == 0) {
				continue;
			}
			sum += i;
		}
		System.out.println(sum);
	}

}
